If this is a new phone, sometimes you have to configure the switch port for the voice vlan only (swi acc vlan $vlan) and without all the other groovy phone stuff, let the phone initialize, and then you can trunk the port.
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Kim, Hyoun S
Sent: Wednesday, December 30, 2009 10:15
To: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Phones not Registering on CME
I this particular office, there is only 2 VLANs. 1, which the data rides on (I didn’t set this up, otherwise I would’ve changed it). And 100, which established for VoIP.
When I do a show spanning-tree on the interfaces of the switch where the phones are connected, it shows that the PC is on VLAN 1 and the phone is on VLAN 100. That’s why I’m not sure why it’s not getting the proper IP address.
I’ve tried to get the end user to do a hard reset, but she seems oblivious to my instructions. So I might have to make a trip out there myself. It’s a 2.5 hour drive. Ugh…
Before I do that though, I’m going to have her do what you guys mentioned. Checking the VLAN on the phone or try a different port to verify that it is the cabling.
Hyoun Kim
Network Administrator I
Charter Media - East Division
640 Broadmor Blvd, Suite 80
Murfreesboro, TN 37129
Email: Hyoun.Kim at chartercom.com
Office: 615.217.6245
Fax: 615.217.6255
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Abebe Amare
Sent: Wednesday, December 30, 2009 6:00 AM
To: iprize at gmail.com
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Phones not Registering on CME
Did you check the cabling? I had a somewhat similar problem where a 7911 IP Phone received IP address from the data vlan range. I connected the IP Phone directly on the switch port and found out that it works fine then I connected it to another wall outlet and again it worked fine so the problem was on the cable running from the switch to the wall outlet.
On Wed, Dec 30, 2009 at 10:45 AM, Changkyun Chang <changkyun.chang at gmail.com> wrote:
I had a similar experience for my office. some of the IP phones (7961) received the data vlan ip address(vlan 103 in this case) instead of voice vlan (vlan 223). during the troubleshooting I found the CPU utilization of my switch was almost 98%. the packet was flooded within the voice vlan.
On 2009-12-30 오후 4:28, :
Try factory reset, If phones will still stuck, It must be DHCP considerations or maybe you are missing vlan on second layer ( check vlan database ).
Marcin
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jeff Garvas
Sent: Wednesday, December 30, 2009 4:51 AM
To: Kim, Hyoun S
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Phones not Registering on CME
It sounds to me like your phones are in the wrong vlan, thus getting the wrong IP address and quite possible the wrong or no option 150 information?
If your end users go into the phone settings what Voice/Data vlan is it claiming to have? Could it be pointing to something other than the CME you think its hitting? Find out from the phone itself which CM / tftp / dhcp server its communicating with.
If the phone is stuck in configuring IP I'd question what the phone is learning from DHCP, which may be controlled by the vlan and any respective helper addresses.
-Jeff
On Tue, Dec 29, 2009 at 6:31 PM, Kim, Hyoun S <Hyoun.Kim at chartercom.com> wrote:
I get a call from some users at a remote site who are finally connecting the last series of phones to the CME I set up months ago. They said that only 1 of the 4 phones are working.
The 3 phones (all 7962s) are stuck in the “Configuring IP” state and will not do anything else. I’ve double-checked my configuration and I have correctly provisioned all the phones & their MAC addresses in the configuration.
Digging deeper, it seems that the 3 phones that are not getting the correct IP address. I set up the DHCP pool to be 10.10.10.X/24. All the functioning phones are obtaining the proper IP addresses but the 3 non-functioning phones are getting a 10.10.3.xxx address (so the user tells me). Doing a show cdp neighbor details command on the ports show that there are no IP addresses associated with those ports. Furthermore, the Version of phone shows up as “79XX_default_load” rather than “SCCP42.8-3-2S” on all the other functioning phones. The port configurations are identical on all ports.
Do you guys have any ideas? I’m using SCCP for my phone system. My CME version is 7.1.
2C_CharLogo_Tag_CMYK
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Hyoun Kim • Network Administrator I – East Division
640 Broadmor Blvd • Suite 80 • Murfreesboro, TN 37129
' 615.217.6245 • ' 859.312.6941 • 7 615.217.6255 • * Hyoun.Kim at chartercom.com
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